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Diffstat (limited to '')
-rw-r--r-- | eel/eel-stock-dialogs.c | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/eel/eel-stock-dialogs.c b/eel/eel-stock-dialogs.c new file mode 100644 index 0000000..d563fc2 --- /dev/null +++ b/eel/eel-stock-dialogs.c @@ -0,0 +1,292 @@ +/* eel-stock-dialogs.c: Various standard dialogs for Eel. + * + * Copyright (C) 2000 Eazel, Inc. + * + * The Gnome Library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public License as + * published by the Free Software Foundation; either version 2 of the + * License, or (at your option) any later version. + * + * The Gnome Library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with the Gnome Library; see the file COPYING.LIB. If not, + * see <http://www.gnu.org/licenses/>. + * + * Authors: Darin Adler <darin@eazel.com> + */ + +#include <config.h> +#include "eel-stock-dialogs.h" + +#include "eel-glib-extensions.h" + +#include <glib/gi18n-lib.h> +#include <gtk/gtk.h> +#include <libadwaita-1/adwaita.h> + +#define TIMED_WAIT_STANDARD_DURATION 2000 +#define TIMED_WAIT_MIN_TIME_UP 3000 + +#define TIMED_WAIT_MINIMUM_DIALOG_WIDTH 300 + +#define RESPONSE_DETAILS 1000 + +typedef struct +{ + EelCancelCallback cancel_callback; + gpointer callback_data; + + /* Parameters for creation of the window. */ + char *wait_message; + GtkWindow *parent_window; + + /* Timer to determine when we need to create the window. */ + guint timeout_handler_id; + + /* Window, once it's created. */ + GtkWidget *dialog; + + /* system time (microseconds) when dialog was created */ + gint64 dialog_creation_time; +} TimedWait; + +static GHashTable *timed_wait_hash_table; + +static void timed_wait_dialog_destroy_callback (GtkWidget *object, + gpointer callback_data); + +static guint +timed_wait_hash (gconstpointer value) +{ + const TimedWait *wait; + + wait = value; + + return GPOINTER_TO_UINT (wait->cancel_callback) + ^ GPOINTER_TO_UINT (wait->callback_data); +} + +static gboolean +timed_wait_hash_equal (gconstpointer value1, + gconstpointer value2) +{ + const TimedWait *wait1, *wait2; + + wait1 = value1; + wait2 = value2; + + return wait1->cancel_callback == wait2->cancel_callback + && wait1->callback_data == wait2->callback_data; +} + +static void +timed_wait_delayed_close_destroy_dialog_callback (GtkWidget *object, + gpointer callback_data) +{ + g_source_remove (GPOINTER_TO_UINT (callback_data)); +} + +static gboolean +timed_wait_delayed_close_timeout_callback (gpointer callback_data) +{ + guint handler_id; + + handler_id = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (callback_data), + "eel-stock-dialogs/delayed_close_handler_timeout_id")); + + g_signal_handlers_disconnect_by_func (G_OBJECT (callback_data), + G_CALLBACK (timed_wait_delayed_close_destroy_dialog_callback), + GUINT_TO_POINTER (handler_id)); + + gtk_window_destroy (GTK_WINDOW (callback_data)); + + return FALSE; +} + +static void +timed_wait_free (TimedWait *wait) +{ + guint delayed_close_handler_id; + guint64 time_up; + + g_assert (g_hash_table_lookup (timed_wait_hash_table, wait) != NULL); + + g_hash_table_remove (timed_wait_hash_table, wait); + + g_free (wait->wait_message); + if (wait->parent_window != NULL) + { + g_object_unref (wait->parent_window); + } + if (wait->timeout_handler_id != 0) + { + g_source_remove (wait->timeout_handler_id); + } + if (wait->dialog != NULL) + { + /* Make sure to detach from the "destroy" signal, or we'll + * double-free. + */ + g_signal_handlers_disconnect_by_func (G_OBJECT (wait->dialog), + G_CALLBACK (timed_wait_dialog_destroy_callback), + wait); + + /* compute time up in milliseconds */ + time_up = (g_get_monotonic_time () - wait->dialog_creation_time) / 1000; + + if (time_up < TIMED_WAIT_MIN_TIME_UP) + { + delayed_close_handler_id = g_timeout_add (TIMED_WAIT_MIN_TIME_UP - time_up, + timed_wait_delayed_close_timeout_callback, + wait->dialog); + g_object_set_data (G_OBJECT (wait->dialog), + "eel-stock-dialogs/delayed_close_handler_timeout_id", + GUINT_TO_POINTER (delayed_close_handler_id)); + g_signal_connect (wait->dialog, "destroy", + G_CALLBACK (timed_wait_delayed_close_destroy_dialog_callback), + GUINT_TO_POINTER (delayed_close_handler_id)); + } + else + { + gtk_window_destroy (GTK_WINDOW (wait->dialog)); + } + } + + /* And the wait object itself. */ + g_free (wait); +} + +static void +timed_wait_dialog_destroy_callback (GtkWidget *object, + gpointer callback_data) +{ + TimedWait *wait; + + wait = callback_data; + + g_assert (object == wait->dialog); + + wait->dialog = NULL; + + /* When there's no cancel_callback, the originator will/must + * call eel_timed_wait_stop which will call timed_wait_free. + */ + + if (wait->cancel_callback != NULL) + { + (*wait->cancel_callback)(wait->callback_data); + timed_wait_free (wait); + } +} + +static gboolean +timed_wait_callback (gpointer callback_data) +{ + TimedWait *wait; + GtkWidget *dialog; + + wait = callback_data; + + /* Put up the timed wait window. */ + dialog = adw_message_dialog_new (wait->parent_window, + wait->wait_message, + _("You can stop this operation by clicking cancel.")); + + adw_message_dialog_add_response (ADW_MESSAGE_DIALOG (dialog), "cancel", _("_Cancel")); + adw_message_dialog_set_default_response (ADW_MESSAGE_DIALOG (dialog), "cancel"); + + wait->dialog_creation_time = g_get_monotonic_time (); + gtk_window_present (GTK_WINDOW (dialog)); + + /* FIXME bugzilla.eazel.com 2441: + * Could parent here, but it's complicated because we + * don't want this window to go away just because the parent + * would go away first. + */ + + /* Make the dialog cancel the timed wait when it goes away. + * Connect to "destroy" instead of "response" since we want + * to be called no matter how the dialog goes away. + */ + g_signal_connect (dialog, "destroy", + G_CALLBACK (timed_wait_dialog_destroy_callback), + wait); + + wait->timeout_handler_id = 0; + wait->dialog = dialog; + + return FALSE; +} + +void +eel_timed_wait_start_with_duration (int duration, + EelCancelCallback cancel_callback, + gpointer callback_data, + const char *wait_message, + GtkWindow *parent_window) +{ + TimedWait *wait; + + g_return_if_fail (cancel_callback != NULL); + g_return_if_fail (callback_data != NULL); + g_return_if_fail (wait_message != NULL); + g_return_if_fail (parent_window == NULL || GTK_IS_WINDOW (parent_window)); + + /* Create the timed wait record. */ + wait = g_new0 (TimedWait, 1); + wait->wait_message = g_strdup (wait_message); + wait->cancel_callback = cancel_callback; + wait->callback_data = callback_data; + wait->parent_window = parent_window; + + if (parent_window != NULL) + { + g_object_ref (parent_window); + } + + /* Start the timer. */ + wait->timeout_handler_id = g_timeout_add (duration, timed_wait_callback, wait); + + /* Put in the hash table so we can find it later. */ + if (timed_wait_hash_table == NULL) + { + timed_wait_hash_table = g_hash_table_new (timed_wait_hash, timed_wait_hash_equal); + } + g_assert (g_hash_table_lookup (timed_wait_hash_table, wait) == NULL); + g_hash_table_insert (timed_wait_hash_table, wait, wait); + g_assert (g_hash_table_lookup (timed_wait_hash_table, wait) == wait); +} + +void +eel_timed_wait_start (EelCancelCallback cancel_callback, + gpointer callback_data, + const char *wait_message, + GtkWindow *parent_window) +{ + eel_timed_wait_start_with_duration + (TIMED_WAIT_STANDARD_DURATION, + cancel_callback, callback_data, + wait_message, parent_window); +} + +void +eel_timed_wait_stop (EelCancelCallback cancel_callback, + gpointer callback_data) +{ + TimedWait key; + TimedWait *wait; + + g_return_if_fail (callback_data != NULL); + + key.cancel_callback = cancel_callback; + key.callback_data = callback_data; + wait = g_hash_table_lookup (timed_wait_hash_table, &key); + + g_return_if_fail (wait != NULL); + + timed_wait_free (wait); +} |